High-precision wire, sinker and drill EDM, CNC milling and additive manufacturing in metal for demanding industries
C.F.K. CNC-Fertigungstechnik Kriftel GmbH
Kriftel (DE)New on Amplifa
About C.F.K. Kriftel
C.F.K. CNC-Fertigungstechnik Kriftel GmbH is a certified manufacturing service provider based in Kriftel (Hesse) with over 35 years of experience, more than 33 of which in electrical discharge machining. The company delivers high-precision metalworking through wire EDM (component sizes from µm to m, EDM wires 0.02–0.33 mm, cutting heights up to 725 mm), sinker EDM including electrode design and technology development, as well as drill EDM with micro-holes from 0.08 mm, also 5-axis for difficult-to-machine materials such as turbine blade materials. In addition, 5-axis high-speed milling and additive manufacturing in metal (SLM/Laser Powder Bed Fusion) with over 20 years of process development experience are offered, especially for medical technology and new materials. The service spectrum ranges from consulting through design and manufacturing to quality control – from prototypes and single parts to series production. Customers come from aerospace, the automotive industry, medical technology, energy technology, tool and mould making, mechanical engineering as well as research and development. More than 35 machines are available at the Kriftel site.
- Site
- Kriftel
- Processes
- Wire EDM, Sinker EDM, Drill EDM (incl. 5-axis drill EDM, micro-drilling from 0.08 mm), Milling (HSC high-speed milling), Additive Manufacturing (SLM/Laser Powder Bed Fusion, metal 3D printing), Design / Electrode design / Process development, Quality control / Measurement (position and surface measurement), Wire EDM (µm–m, wire diameter 0.02–0.33 mm, cutting heights up to 725 mm)
- Materials
- Copper, Brass, Graphite (electrode material), Graphite, Difficult-to-machine materials
- Certificates
- ISO 9001, ISO 9100 (AS/EN 9100), ISO 13485, Nadcap, EN 9100
- Industries
- Aerospace, Automotive industry, Medical technology, Energy technology, Tool and mould making, Mechanical engineering
- 01
Consulting
- 02
Design / Electrode Design
- 03
EDM (Wire, Sinker, Drilling)
- 04
HSC Milling
- 05
Additive Manufacturing (SLM)
- 06
Quality Control
Materials & Processes
Copper
Electrode material for sinker and drill EDM.
Brass
Electrode and EDM wire material for electrical discharge machining.
Graphite
Electrode material for demanding sinker EDM tasks.
Difficult-to-machine materials
Machining of the hardest materials, e.g. for cooling holes in turbine blades.
Kriftel Site
Kriftel
DEProduction site
- Part weight / size
- Workpieces up to 3,000 kg (Progress 4)
- Lot size
- Prototypes, single parts to series production
- Materials
- Copper, brass, graphite, difficult-to-machine metals
- 15x wire EDM machines (GF Progress 2/3/4, Agie Challenge V3, Spirit 2/4)
- 2x sinker EDM machines GF Form 400
- 5x 5-axis drill EDM Heun APos 1200
- 1x 3-axis drill EDM Heun APos 600
- 1x 5-axis HSC milling machine GF HSM 400U
- 1x HSC milling machine GF HSM 300
- SLM system SLM 280 2.0 TWIN (2x 700 W)
- Keyence 3D microscope VHX 5000
Components & Services
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Wire EDMEDM | – | Cutting heights up to 725 mm | – | Single parts/prototypes – Series production | Metals (various), difficult-to-machine materials |
| Sinker EDMEDM | – | – | – | – | Metals, hardest materials |
| Drill EDM (incl. 5-axis drill EDM, micro-drilling from 0.08 mm)EDM | – | – | – | – | Metals, difficult-to-machine materials (e.g. turbine blade mater |
| Milling (HSC high-speed milling)Machining | – | – | 250 kg (workpiece) | – | Metals |
| Additive Manufacturing (SLM/Laser Powder Bed Fusion, metal 3D printing)Additive | – | – | – | – | new materials (medical) |
| Design / Electrode design / Process developmentEngineering | – | – | – | – | – |
| Quality control / Measurement (position and surface measurement)Testing | – | – | – | – | – |
14 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Wire EDM machine | GF Machining Solutions Progress 4 | 5 | 800 x 550 mm; max. workpiece 1,300 x 1,000 x 510 mm | – | Kriftel |
| Wire EDM machine | GF Machining Solutions Progress 3 | 2 | 500 x 350 x 426 mm; max. workpiece 1,050 x 650 x 420 mm | – | Kriftel |
| Wire EDM machine | GF Machining Solutions Progress 2 | 5 | – | – | Kriftel |
| Wire EDM machine | Agie Challenge V3 | 1 | max. 1,050 x 650 x 250 mm; Ra 0.2 µm | – | Kriftel |
| Wire EDM machine | Agie Spirit 4 | 1 | max. 920 x 550 x 370 mm; table 870 x 550 mm | – | Kriftel |
| Wire EDM machine | Agie Spirit 2 | 1 | – | – | Kriftel |
| Sinker EDM machine | GF Machining Solutions Form 400 | 2 | – | – | Kriftel |
| Drill EDM machine | Heun APos 1200 (5-axis) | 3 | X: 1200 mm, Y: 600 mm, Z: 300 mm | – | Kriftel |
| Drill EDM machine (3-axis) | Heun APos 1200 | 1 | X: 1200 mm, Y: 600 mm, Z: 300 mm | – | Kriftel |
| Drill EDM machine (3-axis) | Heun APos 600 | 1 | X: 600 mm, Y: 400 mm, Z: 250 mm; workpieces up to 500 kg | – | Kriftel |
| 5-axis high-speed milling machine | GF Machining Solutions HSM 400U | 1 | Table 400 x 250 mm; 100–42,000 rpm; max. 250 kg | – | Kriftel |
| High-speed milling machine | GF Machining Solutions HSM 300 | 1 | Table 300 x 200 mm; 100–35,000 rpm; max. 200 kg | – | Kriftel |
| 3D microscope / digital measuring microscope | Keyence VHX 5000 | 1 | – | – | Kriftel |
| SLM system (laser melting, additive manufacturing) | SLM 280 2.0 TWIN (2x 700 W laser) | – | – | – | Kriftel |
Additional services
Quality & Certification
Quality assurance includes position and surface measurements as well as detailed material analysis with a Keyence 3D measuring microscope VHX 5000. The company is certified to ISO 9001, EN 9100 (9100), ISO 13485 and Nadcap.
| Evidence | Kriftel |
|---|---|
| ISO 9001 | |
| EN 9100 | |
| ISO 13485 | |
| Nadcap |
Company History
- ca. 1980er
Start of business operations; over 35 years of experience, more than 33 of which in electrical discharge machining.
- ca. 2000er
Start of additive manufacturing; over 20 years of experience, especially in process development for medical applications and new materials.